Citizen Key exudes a vintage atmosphere while evoking gentleness and calmness.EG2799-18Whas appeared.
This eco-drive watch from the Classic Square series has a case with rounded sides that exudes a sophisticated and gentle feel. It's amazingly light at about 12g and has a thin body of about 5.4mm.
The indexes with Roman numerals and the embossed cowhide band accentuate the calm, classic look. It has a special design with a slightly larger crown that accentuates the small case.
Light-powered Eco Drive means no need to replace batteries. With a long running time of approximately 8 months, it is ideal for daily use. This women's watch is eco-friendly as an Eco Mark certified product.
Classical beauty.
The elegance of Roman numerals.
Decorate your arms with elegance.
Vintage appearance.
■ Main features
- Classic Square series:classic square design
- Vintage style:Design that gives you a sense of gentleness and calmness
- Rounded case:Sophisticated design with rounded sides
- Roman numeral index:Elegant and unified dial
- Embossed cowhide band:Calming texture
- Eco-drive:No need to replace batteries with photovoltaic power generation
- Lightweight design of approximately 12g:Comfortable even when worn for long periods of time
- Approximately 5.4mm thin:Slim and elegant impression
- Driven for about 8 months:Operates for a long time when fully charged
- Warm gold color:warm glow
- Waterproof for everyday life:Safe for everyday use
- Eco mark certification:eco friendly watch
■Specs
| brand | CITIZEN |
|---|---|
| series | Kii Classic Square |
| Product number | EG2799-18W |
| Drive method | Photovoltaic Eco Drive (G620-00M) |
| precision | Average monthly difference ±15 seconds |
| Driving period | Powered by light for about 8 months (when fully charged) |
| case | Stainless steel (plating: warm gold color) |
| band | cowhide |
| glass | crystal glass |
| Dial color | silver |
| belt color | gray |
| case size | Approximately 24.5×17.5×6mm |
| belt width | Approximately 12mm |
| Belt minimum width | Approximately 10mm |
| weight | Approximately 12g |
| belt around arm | Approximately 12.5-18.5cm |
| waterproof | Waterproof for daily life |
| Other functions | Charging warning function / Overcharging prevention function / Time setting notification function / Operates for about 8 months when fully charged / Dial parts: Recycled material |
| accessories | Warranty card/dedicated box *If there is a discrepancy between the product photographed before delivery and the apparent color, it will be an electronic image. Please check the included warranty for details. |
| Release date | Released in February 2026 |
| Guarantee | 3 year warranty from manufacturer (Registration to MY CITIZEN required) *Nanapure is currently running a 7-year warranty campaign. |
■ The appeal of Classic Square
EG2799-18W has a vintage atmosphere unique to the Classic Square series. The square case with rounded sides exudes a sophisticated and gentle feel. Although it has an angular design, its rounded form gives it a feminine and soft impression.
The compact size of approximately 24.5 x 17.5 x 6 mm fits perfectly on delicate arms. The slightly larger crown adds an accent to the small case. It's a well-thought-out design that shows attention to detail.
■ The elegance of Roman numeral indexes
The dial features indexes that are unified with Roman numerals, highlighting the classic look. The warm gold-colored case stands out against the silver dial, giving it a warm impression. The finish makes you feel elegant every time you look at the watch.
The dial parts are made from recycled materials, keeping the environment in mind. It is positioned as a watch with modern values that combines beautiful design and environmental friendliness.
■ High quality texture of embossed cowhide band
The band is made of embossed cowhide leather, creating a calming texture. The gray cowhide leather complements the silver dial and warm gold case. The band width of approximately 12mm gives it a delicate and feminine impression.
It is suitable for arm circumferences of approximately 12.5-18.5cm, so it is the perfect size for many women. The soft feel of cowhide leather makes it comfortable to wear for long periods of time. This is a piece where you can enjoy the charm of a leather band that gets better the more you use it.
■ Surprisingly light at about 12g
The incredibly lightweight design weighs approximately 12g, so you won't get tired even if you wear it for a long time. The thin body of approximately 5.4mm gives a slim and elegant impression. You can wear it smartly without getting caught on the cuffs.
This watch is both light and thin, providing stress-free comfort for everyday use. It's practical and attractive, allowing you to spend time comfortably in any situation, whether it's business or private.
■ No need to replace batteries with Eco Drive
The photovoltaic Eco-Drive function converts sunlight and small amounts of indoor light into electricity to keep the watch running. Once fully charged, it has excellent durability and can continue to operate for about 8 months even in the absence of light. There is no need to regularly replace batteries, so you can use it for a long time without any hassle.
The charging warning function lets you know when charging is required. Overcharging prevention function keeps the battery in optimal condition. It also has a time setting notification function, so you can feel secure that it will continue to keep accurate time.
■ Eco Mark certified products
Eco-Drive, which does not emit unnecessary batteries, is the first watch to be certified as an Eco Mark product (environmentally friendly product) by the Japan Environmental Association as a product that protects the global environment. Not only does it not require periodic battery replacement, it also completely eliminates the use of CFCs during production, giving careful consideration to environmental issues.
A watch that combines beautiful design and environmental friendliness, a choice that leads to action for a sustainable future. It has the characteristic of being a reliable and environmentally friendly product that has obtained Eco Mark certification number 06 134 011.
■ Waterproof and safe for everyday use
The waterproof function for everyday use allows you to wear it with confidence even when washing by hand or on rainy days. You can use it without worrying about water work, so it's really convenient for everyday use. However, please note that it is not compatible with swimming or water sports.
Adopts crystal glass to achieve both moderate strength and beautiful transparency. It also has the effect of clearly showing the delicate design of the dial.
■ Warm gold color warmth
The case is made of stainless steel with warm gold plating. The warm glow goes perfectly with the vintage design. The colors are attractive and give a calm impression without being too flashy.
The exquisite color scheme of the silver dial, gray cowhide band, and warm gold case creates an impression suitable for a sophisticated adult woman. It is easy to match with any fashion and can be used in a wide range of situations.
■ New product released in February 2026
As a new model released in February 2026, it is sure to attract attention. It is positioned as a special piece that is newly added to Citizen Key's Classic Square series. This is a long-awaited model for those looking for a vintage design.
A unique yet easy-to-use watch that embodies Key's brand concept of ``Spinning time, personal time.'' This is the perfect piece for women who value their own unique lifestyle.
■ 5 years warranty with MY CITIZEN registration
A three-year warranty is applied by the manufacturer, and the domestic warranty can be extended to five years by registering with MY CITIZEN. Nanapure is running a 7-year warranty campaign, so you can use it for a long time with even more peace of mind. The reliable quality that can only be achieved in Japan makes this item a perfect companion to your daily lifestyle.
After-sales service is also excellent, giving you peace of mind that you can use it for a long time. If you use it with care, it has the value of being a watch that will last a lifetime.
■ The appeal of Citizen Key
Citizen Key is a brand based on the concept of creating your own unique time. EG2799-18W is positioned as a masterpiece that combines a classic design and modern functionality. The vintage-style gentleness and convenience of eco-driving make it a perfect fit for the busy modern woman's lifestyle.
The calm design unique to the Classic Square series gives it an elegant impression suitable for adult women. This is a special piece that combines reliable quality that can be used for a long time and is environmentally friendly.
■ Recommended for these people
- Those who like vintage design
- People who are attracted to square faces
- Those looking for a lightweight and thin watch
- Those who want a watch that does not require battery replacement
- Those who are attracted to Roman numeral indexes
- Those who like the texture of cowhide bands
- Those who want to choose environmentally friendly products
- Those looking for an elegant and classic watch
- Those who like warm gold color
- Those who want a watch that is easy to use on a daily basis
- Those looking for a reward for themselves
- Those looking for a gift for a loved one
- Those who want to choose a watch that they can use for a long time

